Note 14 - Fair Value - Assets Measured on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Other Real Estate Owned [Member]
Expected Sales Costs to Appraised Value, Percentage	10.00%
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member]
Other real estate owned	$ 1,673	$ 1,176
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Minimum [Member]
Expected Sales Costs to Appraised Value, Percentage	0.00%	0.00%
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Maximum [Member]
Expected Sales Costs to Appraised Value, Percentage	10.00%	10.00%
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Weighted Average [Member]
Expected Sales Costs to Appraised Value, Percentage	(5.00%)	(5.00%)
Collateral Dependent Loans [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member]
Other real estate owned		$ 2,080
Collateral Dependent Loans [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Minimum [Member]
Expected Sales Costs to Appraised Value, Percentage		0.00%
Collateral Dependent Loans [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Maximum [Member]
Expected Sales Costs to Appraised Value, Percentage		20.00%
Collateral Dependent Loans [Member] \| Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Weighted Average [Member]
Expected Sales Costs to Appraised Value, Percentage		(10.00%)